TNY268GN
Enhanced, Energy Efficient, Low Power Off-line Switcher
Product Highlights
TinySwitch-II Features Reduce System Cost
Fully integrated auto-restart for short circuit and open
loop fault protection saves external component costs
Built-in circuitry practically eliminates audible noise with
ordinary dip-varnished transformer
Programmable line under-voltage detect feature prevents
power on/off glitches saves external components
Frequency jittering dramatically reduces EMI (~10 dB)
minimizes EMI filter component costs
132 kHz operation reduces transformer size allows use
of EF12.6 or EE13 cores for low cost and small size
Very tight tolerances and negligible temperature variation
on key parameters eases design and lowers cost
Lowest component count switcher solution
Expanded scalable device family for low system cost
Better Cost/Performance over RCC & Linears
Lower system cost than RCC, discrete PWM and other
integrated/hybrid solutions
Cost effective replacement for bulky regulated linears
Simple ON/OFF control no loop compensation needed
No bias winding simpler, lower cost transformer
Simple design practically eliminates rework in
manufacturing
EcoSmart
®
Extremely Energy Efficient
No load consumption <50 mW with bias winding and
<250 mW without bias winding at 265 VAC input
Meets California Energy Commission (CEC), Energy
Star, and EU requirements
Ideal for cell-phone charger and PC standby applications
High Performance at Low Cost
High voltage powered ideal for charger applications
High bandwidth provides fast turn on with no overshoot
Current limit operation rejects line frequency ripple
Built-in current limit and thermal protection improves
safety
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